Engine-Codes - GMC - P0A27 GMC

P0A27 GMC Code - Hybrid Battery Pack Relay Feedback Circuit

- Code Popularity: 803 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

What are the Possible Causes of the Code P0A27 GMC?

  • Faulty Hybrid Battery Cut Off Switch
  • Hybrid Battery Cut Off Switch harness is open or shorted
  • Hybrid Battery Cut Off Switch circuit poor electrical connection

How to Fix the P0A27 GMC Code?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

What is the Cost to Diagnose the Code P0A27 GMC?

Labor: 1.0

The cost to diagnose the P0A27 GMC code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

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What are Code P0A27 GMC Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the P0A27 GMC Code Mean?

The Energy Storage Control Module (ESCM) will monitor the battery cut off switch for overvoltage or an open. The ESCM sets the OBDII code when the Hybrid Battery Cut Off Switch is not to factory specifications.

P0A27 GMC Code - Hybrid Battery Pack Relay Feedback Circuit

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